Run Benchmarks for qsv

BENCHMARKS.md

@@ -1,36 +1,39 @@
 These are some very basic and unscientific benchmarks of various commands
-provided by `xsv`. Please see below for more information.
+provided by `qsv`. Please see below for more information.
 
 These benchmarks were run with
 [worldcitiespop_mil.csv](https://burntsushi.net/stuff/worldcitiespop_mil.csv),
 which is a random 1,000,000 row subset of the world city population dataset
 from the [Data Science Toolkit](https://github.com/petewarden/dstkdata).
 
-These benchmarks were run on an Intel i7-6900K (8 CPUs, 16 threads) with 64GB
-of memory.
+These benchmarks were run on Virtualbox VM on Windows 11 with a Ryzen 7 4800H and 32GB memory 
+(VM configured with Ubuntu 20.04 LTS assigned 8 CPUs and 12 GB of memory)
 
 ```
-count                   0.11 seconds   413.76  MB/sec
-flatten                 4.54 seconds   10.02   MB/sec
-flatten_condensed       4.45 seconds   10.22   MB/sec
-frequency               1.82 seconds   25.00   MB/sec
-index                   0.12 seconds   379.28  MB/sec
-sample_10               0.18 seconds   252.85  MB/sec
-sample_1000             0.18 seconds   252.85  MB/sec
-sample_100000           0.29 seconds   156.94  MB/sec
-search                  0.27 seconds   168.56  MB/sec
-select                  0.14 seconds   325.09  MB/sec
-search                  0.13 seconds   350.10  MB/sec
-select                  0.13 seconds   350.10  MB/sec
-sort                    2.18 seconds   20.87   MB/sec
-slice_one_middle        0.08 seconds   568.92  MB/sec
-slice_one_middle_index  0.01 seconds   4551.36 MB/sec
-stats                   1.09 seconds   41.75   MB/sec
-stats_index             0.15 seconds   303.42  MB/sec
-stats_everything        1.94 seconds   23.46   MB/sec
-stats_everything_index  0.93 seconds   48.93   MB/sec
+count					0.11 seconds	413.76 MB/sec
+fill					1.13 seconds	40.27 MB/sec
+flatten					5.48 seconds	8.30 MB/sec
+flatten_condensed		5.52 seconds	8.24 MB/sec
+frequency				3.05 seconds	14.92 MB/sec
+frequency_selregex		0.48 seconds	94.82 MB/sec
+index					0.11 seconds	413.76 MB/sec
+rename					0.36 seconds	126.42 MB/sec
+sample_10				0.23 seconds	197.88 MB/sec
+sample_1000				0.24 seconds	189.64 MB/sec
+sample_100000			0.33 seconds	137.92 MB/sec
+sample_25pct_index		0.42 seconds	108.36 MB/sec
+search					0.17 seconds	267.72 MB/sec
+select					0.15 seconds	303.42 MB/sec
+select_regex			0.18 seconds	252.85 MB/sec
+sort					2.29 seconds	19.87 MB/sec
+slice_one_middle		0.11 seconds	413.76 MB/sec
+slice_one_middle_index	0.01 seconds	4551.36 MB/sec
+stats					1.42 seconds	32.05 MB/sec
+stats_index				0.19 seconds	239.54 MB/sec
+stats_everything		3.37 seconds	13.50 MB/sec
+stats_everything_index	2.60 seconds	17.50 MB/sec
+transpose				0.72 seconds	63.21 MB/sec
 ```
-
 ### Details
 
 The purpose of these benchmarks is to provide a rough ballpark estimate of how